1 files changed, 7 insertions, 6 deletions
diff --git a/Source/WebCore/css/CSSStyleDeclaration.h b/Source/WebCore/css/CSSStyleDeclaration.h
index c5cf90b42..48fff2aa8 100644
--- a/Source/WebCore/css/CSSStyleDeclaration.h
+++ b/Source/WebCore/css/CSSStyleDeclaration.h
@@ -31,8 +31,8 @@ class CSSProperty;
 class CSSRule;
 class CSSStyleSheet;
 class CSSValue;
-class MutableStylePropertySet;
-class StylePropertySet;
+class MutableStyleProperties;
+class StyleProperties;
 class StyledElement;
 
 typedef int ExceptionCode;
@@ -45,12 +45,13 @@ public:
     virtual void ref() = 0;
     virtual void deref() = 0;
 
+    virtual StyledElement* parentElement() const { return nullptr; }
     virtual CSSRule* parentRule() const = 0;
     virtual String cssText() const = 0;
     virtual void setCssText(const String&, ExceptionCode&) = 0;
     virtual unsigned length() const = 0;
     virtual String item(unsigned index) const = 0;
-    virtual PassRefPtr<CSSValue> getPropertyCSSValue(const String& propertyName) = 0;
+    virtual RefPtr<CSSValue> getPropertyCSSValue(const String& propertyName) = 0;
     virtual String getPropertyValue(const String& propertyName) = 0;
     virtual String getPropertyPriority(const String& propertyName) = 0;
     virtual String getPropertyShorthand(const String& propertyName) = 0;
@@ -61,11 +62,11 @@ public:
     // CSSPropertyID versions of the CSSOM functions to support bindings and editing.
     // Use the non-virtual methods in the concrete subclasses when possible.
     // The CSSValue returned by this function should not be exposed to the web as it may be used by multiple documents at the same time.
-    virtual PassRefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0;
+    virtual RefPtr<CSSValue> getPropertyCSSValueInternal(CSSPropertyID) = 0;
     virtual String getPropertyValueInternal(CSSPropertyID) = 0;
-    virtual void setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&) = 0;
+    virtual bool setPropertyInternal(CSSPropertyID, const String& value, bool important, ExceptionCode&) = 0;
 
-    virtual PassRefPtr<MutableStylePropertySet> copyProperties() const = 0;
+    virtual Ref<MutableStyleProperties> copyProperties() const = 0;
 
     virtual CSSStyleSheet* parentStyleSheet() const { return 0; }